36621335461013 has 16 divisors (see below), whose sum is σ = 38910048952320. Its totient is φ = 34347581511936.

The previous prime is 36621335460989. The next prime is 36621335461033. The reversal of 36621335461013 is 31016453312663.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 36621335461013 - 2⁸ = 36621335460757 is a prime.

It is a super-2 number, since 2×36621335461013² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36621335461033) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 93042956 + ... + 93435722.

It is an arithmetic number, because the mean of its divisors is an integer number (2431878059520).

Almost surely, 2^{36621335461013} is an apocalyptic number.

It is an amenable number.

36621335461013 is a deficient number, since it is larger than the sum of its proper divisors (2288713491307).

36621335461013 is a wasteful number, since it uses less digits than its factorization.

36621335461013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 411796.

The product of its (nonzero) digits is 699840, while the sum is 44.

Adding to 36621335461013 its reverse (31016453312663), we get a palindrome (67637788773676).

The spelling of 36621335461013 in words is "thirty-six trillion, six hundred twenty-one billion, three hundred thirty-five million, four hundred sixty-one thousand, thirteen".